[devhelp] build: ignore built schema file

[Aleksander Morgado <aleksm src gnome org>]

commit c4c04c66793dc7408b65f1499e3854dab6527aa4
Author: Aleksander Morgado <aleksander lanedo com>
Date:   Thu Jan 31 18:18:29 2013 +0100

    build: ignore built schema file

 .gitignore |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index e0ce0b5..5b5bd0f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,4 @@ libtool
 /src/dh-resources.c
 /src/dh-resources.h
 /stamp-h1
+/data/org.gnome.devhelp.gschema.valid